RFR: 8351108: ImageIO.write(..) fails with exception when writing JPEG with IndexColorModel

[Alexander Zvegintsev]

On Tue, 4 Mar 2025 06:51:54 GMT, Jeremy Wood <duke at openjdk.org> wrote:

> Previously ImageTypeSpecifier treated all TYPE_BYTE_INDEXED as if they were opaque.
> 
> In this ticket's case: an ImageWriter received the wrong ImageTypeSpecifier and mistakenly indicated it *could* support a BufferedImage. But when the actual BufferedImage arrived (which was translucent), the ImageWriter threw an exception.
> 
> Instead:
> Now the ImageTypeSpecifier accurately describes the given BufferedImage.

Marked as reviewed by azvegint (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/23884#pullrequestreview-2662742857